#include<stdio.h>
int main()
{
	int grade[10]={95,85,45,78,68,91,90,55,48,80};
	int i;
	int total=0;
	float avg;
	for(i=0;i<10;i++)
	{
		total+=grade[i];
	 } 
	 avg=((float)total/10);
	 printf("the students avarage score is %f\n",avg);
	 return 0;
}
